.ppsm file: how to open it on Windows
5 Windows apps register the .ppsm extension. Install one of them to open the file with a double-click.
About the format
- Format
- PowerPoint presentation
- MIME type
- application/vnd.ms-powerpoint.slideshow.macroEnabled.12
- PRONOM identifier
- fmt/630
Format data: freedesktop.org shared-mime-info and PRONOM (The National Archives, UK).
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Related guide: Change the default app for a file type in Windows